+
+
+dnl Check that xgettext is sufficiently recent
+dnl Before calling this macro, AC_CHECK_PROGS([XGETTEXT], [xgettext]) should have been called,
+dnl which sets the ac_cv_prog_XGETTEXT cache variable.
+AC_DEFUN([PSPP_CHECK_XGETTEXT],
+ [AC_CACHE_CHECK([whether gettext is sufficiently recent],
+ [pspp_cv_progrecent_xgettext],
+ [pspp_cv_progrecent_xgettext=maybe
+ ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
+ case $ver in # (
+ *.*.*) ;; # (
+ *.*) ver="$ver.0" ;;
+ esac
+ majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
+ major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
+ minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`
+ if test "$major" -lt 0; then
+ pspp_cv_progrecent_xgettext=no;
+ elif test "$minor" -lt 20; then
+ pspp_cv_progrecent_xgettext=no
+ else
+ pspp_cv_progrecent_xgettext=yes
+ fi])])